{#if user === undefined || $identity.id === -2} {:else}
{#await mediaList} {:then mediaListUnchecked} {#if mediaListUnchecked} {@const mediaList = mediaListUnchecked.filter( (media) => media.mediaListEntry?.status === 'COMPLETED' )}
    {#each filterRelations(mediaList) as { media, unwatchedRelations }} ({media.startDate.year})
      {#each unwatchedRelations as relation}
    1. ({relation.node.startDate.year})
      2. {/each}
    {/each}
{:else} {/if} {:catch} Error fetching media. {/await}

Thanks to and for the idea!
{/if}